Archaeopteryx, sometimes referred to by its German name Urvogel ("original bird" or "first bird"), is a genus of early bird that is transitional between feathered dinosaurs and modern birds. The name derives from the ancient...
Big Spring is a city in and the county seat of Howard County, Texas, United States, at the crossroads of U.S. Highway 87 and Interstate 20. With a population of 27,282 at the 2010 census,...
Traditionally, reptiles are members of the class Reptilia comprising the amniotes that are neither birds nor mammals. (The amniotes are the vertebrates with eggs featuring an amnion, a double membrane that permits the embryo to...
Diplodocus is an extinct genus of diplodocid sauropod dinosaur whose fossils were first discovered in 1877 by S. W. Williston. The generic name, coined by Othniel Charles Marsh in 1878, is a Neo-Latin term derived...
Triceratops is a genus of herbivorous ceratopsid dinosaur that lived during the late Maastrichtian stage of the Late Cretaceous Period, around 68 to 65.5 million years ago (Mya) in what is now North America. It was...
Medusaceratops (meaning "Medusa horn face") is a genus of herbivorous ceratopsian dinosaur. It is a chasmosaurine ceratopsian which lived during the Late Cretaceous period in what is now Montana. It is known from two partial...
Trilobites are a well-known fossil group of extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest known groups of arthropods....
Supersaurus (meaning "super lizard") is a genus of diplodocid sauropod dinosaur discovered by Vivian Jones of Delta, Colorado, in the Upper Jurassic Morrison Formation of Colorado in 1972. The fossil remains came from the Brushy...
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